mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
3020d339d6
This operator[] relies on having the cache contain the right number of elements, and each element be initialized to nullptr, which was only happening if NDEBUG was not defined. rdar://problem/30832595
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#ifndef SWIFT_SYNTAX_SYNTAXCOLLECTIONDATA_H
|
|
#define SWIFT_SYNTAX_SYNTAXCOLLECTIONDATA_H
|
|
|
|
#include "swift/Syntax/SyntaxData.h"
|
|
|
|
namespace swift {
|
|
namespace syntax {
|
|
|
|
template <SyntaxKind CollectionKind, typename ElementType>
|
|
class SyntaxCollection;
|
|
|
|
template <SyntaxKind CollectionKind, typename ElementType>
|
|
class SyntaxCollectionData : public SyntaxData {
|
|
friend class SyntaxCollection<CollectionKind, ElementType>;
|
|
std::vector<RC<typename ElementType::DataType>> CachedElements;
|
|
|
|
friend struct SyntaxFactory;
|
|
friend class SyntaxData;
|
|
friend class FunctionCallExprSyntaxBuilder;
|
|
|
|
SyntaxCollectionData(RC<RawSyntax> Raw, const SyntaxData *Parent = nullptr,
|
|
CursorIndex IndexInParent = 0)
|
|
: SyntaxData(Raw, Parent, IndexInParent),
|
|
CachedElements(Raw->Layout.size(), nullptr) {
|
|
assert(Raw->Kind == CollectionKind);
|
|
}
|
|
|
|
static RC<SyntaxCollectionData<CollectionKind, ElementType>>
|
|
make(RC<RawSyntax> Raw, const SyntaxData *Parent = nullptr,
|
|
CursorIndex IndexInParent = 0) {
|
|
|
|
return RC<SyntaxCollectionData<CollectionKind, ElementType>> {
|
|
new SyntaxCollectionData<CollectionKind, ElementType> {
|
|
Raw, Parent, IndexInParent
|
|
}
|
|
};
|
|
}
|
|
|
|
static RC<SyntaxCollectionData<CollectionKind, ElementType>> makeBlank() {
|
|
auto Raw = RawSyntax::make(CollectionKind, {}, SourcePresence::Present);
|
|
return make(Raw);
|
|
}
|
|
|
|
public:
|
|
static bool classof(const SyntaxData *SD) {
|
|
return SD->getKind() == CollectionKind;
|
|
}
|
|
};
|
|
|
|
} // end namespace syntax
|
|
} // end namespace swift
|
|
|
|
#endif
|